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HTML5 canvas获取图片
//将图像输出为base64压缩的字符串 默认为image/pngvar data = canvas.toDataURL(); // returns "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAMgAAADICAYAAACt..."//var data = canvas.toDataURL('image/jpeg'); //re原创 2014-05-06 11:24:31 · 19732 阅读 · 0 评论 -
online offline
onlineThe online event is fired when the browser has gained access to the network and the value of navigator.onLine switched to true.Note: That event shouldn't be used to determine the a原创 2014-05-16 16:46:09 · 1583 阅读 · 0 评论 -
jquery $(window).height()取值等于$(document).height()的问题
<!DOCTYPE html>设置不当或者没有设置，会导致jquery中 $(window).height()取值等于$(document).height()的问题，大家别被坑了。原创 2014-11-13 22:26:35 · 6807 阅读 · 2 评论